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Last Updated: November 15, 2019

DrugPatentWatch Database Preview

RIOMET Drug Profile

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Which patents cover Riomet, and what generic alternatives are available?

Riomet is a drug marketed by Sun Pharm Inds Ltd and Sun Pharm and is included in two NDAs. There are two patents protecting this drug and one Paragraph IV challenge.

This drug has eighteen patent family members in eighteen countries.

The generic ingredient in RIOMET is metformin hydrochloride. There are forty-nine drug master file entries for this compound. Ninety-eight suppliers are listed for this compound. Additional details are available on the metformin hydrochloride profile page.

Drug patent expirations by year for RIOMET
Drug Prices for RIOMET

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Drug Sales Revenue Trends for RIOMET

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Recent Clinical Trials for RIOMET

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SponsorPhase
Tianjin Medical University Cancer Institute and HospitalPhase 2
Innovent Biologics (Suzhou) Co. Ltd.Phase 2
Mayo ClinicPhase 1

See all RIOMET clinical trials

Recent Litigation for RIOMET

Identify potential future generic entrants

District Court Litigation
Case NameDate
SUN PHARMACEUTICAL INDUSTRIES LTD. v. VISTAPHARM, INC.2019-03-01
Sun Pharmaceutical Industries Ltd. v. Saptalis Pharmaceuticals, LLC2018-04-30

See all RIOMET litigation

Pharmacology for RIOMET
Drug ClassBiguanide
Synonyms for RIOMET
(E)-2-carbamimidoyl-1,1-dimethylguanidine hydrochloride
1-dimethylbiguanide hydrochloride
1,1-Dimethylbiguanide hydrochloride
1,1-Dimethylbiguanide hydrochloride, 97%
1,1-Dimethylbiguanide monohydrochloride
1,1-Dimethylbiguanide, Hydrochloride
1115-70-4
144377-16-2
15537-72-1
3-(diaminomethylene)-1,1-dimethyl-guanidine hydrochloride
3-(diaminomethylidene)-1,1-dimethylguanidine hydrochloride
3-carbamimidoyl-1,1-dimethylguanidine;hydrochloride
56258-19-6
786Z46389E
AB0004717
AB1009370
AC-2075
AC1L23D5
ACMC-20ap7s
AI3-51264
AK163172
AKOS015894259
AN-8747
API0003318
Apo-Metformin
AX8041182
BC206669
BCP03594
Benofomin
BG0401
BIGUANIDE, 1,1-DIMETHYL-, HYDROCHLORIDE
Biguanide, 1,1-dimethyl-, monohydrochloride
Biguanide, 1,1-dimethyl-, monohydrochloride (8CI)
Biguanide,1-dimethyl-, monohydrochloride
Biocos
BP-12830
C4H11N5.HCl
C4H12ClN5
CAS-1115-70-4
CCG-208004
CHEBI:6802
CHEMBL1703
Cidophage
CS-1851
CTK8C6229
D 15095
D.B.I
D.B.I.
D00944
Dabex
DB-018697
Denkaform
Dextin
Diabefagos
Diaberit
Diabesin
Diabetex
Diabetmin
Diabetosan
Diaformin
Diamin
Diaphage
Diformin
Diformin Retard
Dimethylbiguanide hydrochloride
DMBG hydrochloride
DMGG hydrochloride
DSSTox_CID_17246
DSSTox_GSID_37246
DSSTox_RID_79314
DTXSID9037246
EC 214-230-6
EINECS 214-230-6
F2173-0894
Fornidd
Fortamet
FT-0628265
Geamet
Glibomet
Glucofago
Glucoform
Glucoliz
Glucomet
Glucomine
Gluconil
Glucophage
Glucophage (TN)
Glucophage 850
Glucophage Forte
Glucophage Retard
Glucophage XR
Glucophage-Mite
Gluformin
Glupermin
Glyciphage
Glycoran
Glyformin
GP2747
Haurymellin hydrochloride
HMS1568A09
HMS1922H14
HSDB 7080
HY-17471A
I05-0228
I14-7880
I506
Imidodicarbonimidic diamide, N,N-dimethyl-, monohydrochloride
Imidodicarbonimidic diamide, N,N-dimethyl-, monohydrochloride (9CI)
Imidodicarbonimidic diamide,N-dimethyl-, monohydrochloride
Islotin retard
J10020
J10377
Jsp000870
KS-000006B5
KS-1272
KSC926E2T
LA 6023
LA 6063
LS-43900
M-2922
M2009
MCULE-9784059944
Meglucon
Meguan
Mescorit
Metbay
Metforal
Metformin (hydrochloride)
Metformin HCL
Metformin HCl ER
Metformin HCl(Glucophage)
Metformin hydrochloride
Metformin hydrochloride (Glucophage)
Metformin hydrochloride (JP17/USP)
Metformin hydrochloride [USAN:USP:JAN]
Metformin hydrochloride [USAN]
Metformin Hydrochloride 1.0 mg/ml in Methanol (as free base)
Metformin hydrochloride solution, 1.0 mg/mL in methanol (as free base), ampule of 1 mL, certified reference material
Metformin hydrochloride, British Pharmacopoeia (BP) Reference Standard
Metformin hydrochloride, European Pharmacopoeia (EP) Reference Standard
Metformin hydrochloride, Pharmaceutical Secondary Standard; Certified Reference Material
Metformin hydrochloride, pharmaceutical secondary standard; traceable to USP and PhEur
Metformin hydrochloride, United States Pharmacopeia (USP) Reference Standard
Metformin Hydrochloride,(S)
Metformin monohydrochloride
Metformin, HCl
Metiguanide monohydrochloride
Metolmin
Metomin
MFCD00012582
MFCD00012582 (97+%)
MLS000028493
MLS002222221
MolPort-000-771-764
MolPort-039-227-817
N-[amino(dimethylamino)methylidene]guanidine hydrochloride
N,N-Dimethylbiguanide hydrochloride
N,N-dimethylimidodicarbonimidic diamide hydrochloride
N,N-Dimethylimidodicarbonimidic diamine
N',N'-dimethylbiguanide hydrochloride
N1,N1-Dimethylbiguanide hydrochloride
NCGC00016564-01
NCGC00016564-06
NCGC00095185-01
NCGC00095185-02
Novo-Metformin
NSC 91485
NSC-759262
NSC-91485
NSC759262
NSC91485
OETHQSJEHLVLGH-UHFFFAOYSA-N
OR322044
Pharmakon1600-01505814
Prestwick_519
Q-201360
Risidon
RP22848
RTR-002281
s1950
SB19704
SC-17468
SCHEMBL10325580
SCHEMBL20140191
SCHEMBL22977
Siamformet
SMR000058277
SPECTRUM1505814
SR-05000001764-2
ST24048701
SY001217
Thiabet
TL8000340
Tox21_110498
Tox21_110498_1
TR-002281
TRA0069243
UNII-786Z46389E
Walaphage
Z2244578658
Paragraph IV (Patent) Challenges for RIOMET
Tradename Dosage Ingredient NDA Submissiondate
RIOMET SOLUTION;ORAL metformin hydrochloride 021591 2018-02-02

US Patents and Regulatory Information for RIOMET

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Sun Pharm Inds Ltd RIOMET metformin hydrochloride SOLUTION;ORAL 021591-001 Sep 11, 2003 RX Yes Yes   Start Trial   Start Trial Y   Start Trial
Sun Pharm RIOMET ER metformin hydrochloride FOR SUSPENSION, EXTENDED RELEASE;ORAL 212595-001 Aug 29, 2019 RX Yes Yes   Start Trial   Start Trial Y   Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Supplementary Protection Certificates for RIOMET

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
1506211 300677 Netherlands   Start Trial PRODUCT NAME: COMBINATIE VAN DAPAGLIFLOZINE OF EEN FARMACEUTISCH AANVAARDBAAR ZOUT DAARVAN EN METFORMINE OF EEN FARMACEITISCH AANVAARDBAAR ZOUT DAARVAN, ZOALS BESCHERMD DOOR HET BASISOCTROOI EP 1506211B1; REGISTRATION NO/DATE: EU/1/13/900 20140121
1261586 C300524 Netherlands   Start Trial PRODUCT NAME: COMBINATIE VAN SAXAGLIPTINE EN METFORMINE, DESGEWENST IN DE VORM VAN FARMACEUTISCH AANVAARDBARE AFGELEIDEN DAARVAN; NAT. REGISTRATION NO/DATE: EU/1/11/731/001-012 20111124; FIRST REGISTRATION:
1412357 PA2008013,C1412357 Lithuania   Start Trial PRODUCT NAME: SITAGLIPTINUM PHOSPHAS MONOHYDRICUS, METFORMINI HYDROCHLORIDUM; REGISTRATION NO/DATE: EU/1/08/455/001 - EU/1/08/455/014 20080716
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description

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Boehringer Ingelheim

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